Vor Operation Sierra 75 - Vor, No 6 Author:Thomas S. Gressman Sent to find the survivors of a crash landing on an unexplored planet, a company of Union Marines and medics are trapped on a hellish world of enigmatic ruins, where they find themselves hunted by an unknown enemy. But when space and time begin to warp, weapons and equipment vanish, and strange, murderous creatures haunt the Marines' every move,... more » a simple rescue mission becomes a desperate death march...« less